SEATTLESEA
65-74 · +3 AL WEST · W1 · 4-6 L10
@WED 4:10 PM ETBOS HOME PARK
75-64 · +3 AL EAST · L1 · 5-5 L10
BOSTONBOS
Weather
72°F · 11mph out to LF
Home plate ump
Injuries
No injury concerns
Series so far
3-game set · 1-1 so far in 2026
PITCHING MATCHUP
Bryce Miller
RHP · SEAPROBABLE
STUFF+110
ERA
4.12
IP
94.0
K/9
8.8
BB/9
2.4
WHIP
1.09
L5 STARTS8.11 ERA · 18.8% K · 12.5% BB
PITCH MIX · SEASON
44%
24%
12%
4-Seam FastballSplit-FingerSliderSweeper
Patrick Sandoval
LHP · BOSPROBABLE
STUFF+
ERA
4.20
IP
45.0
K/9
9.6
BB/9
4.4
WHIP
1.71
L5 STARTS4.98 ERA · 23.1% K · 13.2% BB
PITCH MIX

Not cataloged

MODEL VS THE BOOKS2 edges

MODEL VS THE BOOKS · PLAYER PROPS

Bryce Miller · Over 15.5 16+ Outs

long-leash spot vs softer opp

-114 Caesars53% book78% +25pp

Patrick Sandoval · Under 5.5 <6 Pitcher Ks

K projection runs under in this matchup

-106 DraftKings51% book63% +12pp

Best available line across the books we track, shown as data — not an endorsement of any book. Model probability vs the line's implied probability; refreshed through game day. Research, not betting advice.

ENGINE PROBABILITIES · EVERY MARKETMariners 56%

25 simulated lines · raw sim

1 / 4

SEA BOS

Game Markets

SEA @ BOS · full-game reads

7 MARKETS

Moneyline

SEA to win

56%

1st 5 Innings

BOS F5

37%

Game Total

Over 8.5

48%

1st 5 Total

Over 4.5

50%

Run Line

BOS -1.5

28%

Team Total

SEA Over 4.5

47%

Team Total

BOS Over 4.5

36%

THE READ

SEA projects to outscore BOS by 0.82 runs across 5,000 trials.

  • Projected runs: SEA 4.73, BOS 3.90
  • Bryce Miller (SEA) vs Patrick Sandoval (BOS)
  • Run on league-average lineups — refreshes when lineups post
BM

Bryce Miller

SEA SP · vs. BOS

SP

Strikeouts

5+ Ks

47%

Strikeouts

6+ Ks

28%

Strikeouts

7+ Ks

14%

Strikeouts

8+ Ks

6%

Strikeouts

9+ Ks

2%

Outs Recorded

15+ outs

37%

Outs Recorded

18+ outs

2%

Hits Allowed

5+ hits

44%

Hits Allowed

6+ hits

30%

THE READ

Middle-of-the-road strikeout projection at 4.5 Ks.

  • Sim projects 4.5 strikeouts
  • 47% to reach 5+ against BOS
PS

Patrick Sandoval

BOS SP · vs. SEA

SP

Strikeouts

5+ Ks

56%

Strikeouts

6+ Ks

37%

Strikeouts

7+ Ks

19%

Strikeouts

8+ Ks

9%

Strikeouts

9+ Ks

4%

Outs Recorded

15+ outs

54%

Outs Recorded

18+ outs

9%

Hits Allowed

5+ hits

52%

Hits Allowed

6+ hits

38%

THE READ

Middle-of-the-road strikeout projection at 4.9 Ks.

  • Sim projects 4.9 strikeouts
  • 56% to reach 5+ against SEA

BATTER CARDS
UNLOCK WHEN LINEUPS POST

The sim can't run a hitter until it knows he's in the lineup. Clubs post about two hours before first pitch, and every bat gets a card with HR, hits, total bases and RBI.

SPLITS THAT MATTER

BRYCE MILLER SPLITS

How this pitcher performs by batter hand + how BOS hits LHP

vs Right-handedK%26.8%OPS-against.612
vs Left-handedK%22.6%OPS-against.753
BOS vs LHP (team)OPS.768K%20.9%

PATRICK SANDOVAL SPLITS

How this pitcher performs by batter hand + how SEA hits RHP

vs Right-handedK%20.8%OPS-against.781
vs Left-handedK%28.6%OPS-against.989
SEA vs RHP (team)OPS.707K%22.8%
LINEUPS

AWAY LINEUP

Awaiting lineup — teams typically post 3-4 hours before first pitch.

HOME LINEUP

Awaiting lineup — teams typically post 3-4 hours before first pitch.

CAREER MATCHUPS

BOS BATTERS vs BRYCE MILLER

No meaningful career history with this pitcher.

9 additional batters hidden (small sample or no history).

SEA BATTERS vs PATRICK SANDOVAL

No meaningful career history with this pitcher.

9 additional batters hidden (small sample or no history).

SERIES HISTORY
THIS SERIES
SEA 1·BOS 1
3-game set · gm 3 of 3
2026 SEASON
SEA 2·BOS 3
5 played · 14 remaining
ALL-TIME (2010-)
59%BOS
SEA 47 · BOS 67 · since 2010
NOTABLE RECENT MEETINGS
2026-09-01SEA 9-6 · Slugfest
2026-08-31BOS 9-8 · Slugfest
2026-06-21SEA 3-1
MARKET SNAPSHOT
Moneyline
SEA46¢ · 46%
BOS57¢ · 57%
Total 8.5
Over52¢ · 52%
Under52¢ · 52%
Run line ±1.5
SEA -1.5 ·
BOS +1.5 ·
First 5 innings
O 4.5 ·
U 4.5 ·
TOTAL MOVEMENT77.578.5last 12h
LINEUP FORM · L15

SEA OFFENSE

.294L15 team wOBA
-22 pts vs LG AVG · BOTTOM 6

BOS OFFENSE

.342L15 team wOBA
+26 pts vs LG AVG · TOP 6
ENVIRONMENT72° · 11mph out to LF
FENWAY PARK
96HR
HR factor0.96 · neutral
Runs factor1.08 · +
Doubles factor1.22 · +

Doubles factory (Green Monster).

WEATHER · FIRST PITCH
72°F
Wind11 mph out to LF
Humidity58%
Rain0%

Light wind out to LF · neutral HR conditions.

HOME PLATE UMPIRE

Umpire assignment posts ~24h before first pitch.

INJURY REPORTclean
Injury report unavailable.
MODEL READ · EDGE + SHARP TIERS

SPINE READ DROPS AT T−3H

Everything above — pitching, lineups, splits, market, umpire, injuries — is free. Our sabermetric simulation engine runs a 5,000-trial forecast at 3 hours before first pitch and publishes the read here alongside spine probabilities, market edge, and per-layer reasoning.

Free tier: preview only · EDGE $10/MO · SHARP $25/MO unlocks the read

UNLOCKS IN--:--:--GO EDGE · $10/MO